Stool



FIG. 1 is a perspective view of a stool showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a right side, elevational view thereof, the left sideelevational view thereof being a mirror image.

The ornamental design for stool, as shown and described.